US Bridges

Gurdane Road over Butter Creek

PoorPosted for load

Umatilla County, Oregon · 6.9 MI S of HWY 74 · Structure no. 59C012142500694

Built
1966
59 years old, rebuilt 1988
Condition
Poor
inspected July 2023
Type
Stringer/Multi-beam or Girder
Wood or Timber
Length
26 ft
1 main span
Daily traffic
47
2020 count
Owner
County
County Highway Agency

About this bridge

Gurdane Road over Butter Creek is a wood or timber stringer/multi-beam or girder carrying Gurdane Road over Butter Creek in Umatilla County, Oregon. It was built in 1966 and reconstructed in 1988, so it is 59 years old, older than the Oregon average of 49.9 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 47 vehicles a day, roughly 5% of them trucks, projected to reach 55 by 2025. The structure is 26 ft (7.9 m) long and 22 ft wide. If it were closed, the detour would be 9.3 mi (15 km).

CarriesGurdane Road
CrossesButter Creek
Location6.9 MI S of HWY 74
RouteCounty Highway 0
StateOregon
Coordinates45.3814, -119.12344
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.9 US tons
Inventory rating18.5 US tons

Structure

MaterialWood or Timber
DeckWood or timber
Main spans1
Design loadH 15
Structure length26 ft (7.9 m)
Longest span23 ft (7 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic47 (2020)
Projected traffic55 by 2025
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.3 mi (15 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$173,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Gurdane Road over Butter Creek built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 1988.

What condition is Gurdane Road over Butter Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in July 2023.

How much traffic does Gurdane Road over Butter Creek carry?

About 47 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Gurdane Road over Butter Creek?

The structure is 26 ft (7.9 m) long with a longest span of 23 ft (7 m) and a deck 22 ft wide.

Who owns Gurdane Road over Butter Creek?

It is owned by the County Highway Agency.